Clock Work Recovery (CWM) is a custom recovery that works to replace Stock Recovery, where this recovery has advantages such as Installing Custom rom roof .zip package meta inf which can be used as an alternative to fixed bootloop,in addition to cleaning data / chache as in stock recovery, the most important thing is this recovery is able create backup or restore full data and partition system on lenovo A6000, but to install it need to be careful, please follow the steps below.